<!DOCTYPE html>
<nz-tabset [nzCentered]="true">
    <nz-tab nzTitle="用户管理">
      <app-user-management></app-user-management>
    </nz-tab>
    <nz-tab nzTitle="角色管理">
      <app-roler-management></app-roler-management>
    </nz-tab>
  </nz-tabset>